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Found 97 results

  1. Hello all! I am mounting an Explore Scientific 8x50 Right Angle Erect Image Illuminated Finder Scope on my Skywatcher Dobsonian. The original Skywatcher mount only had one bolt hole. The Explore Scientific base requires two bolts. I was told to make sure to have the primary mirror cover in place and to place a cotton sock over the secondary mirror. My concern is drilling into the tube itself. Are there any other precautions I need to take so that that it doesn’t look like it was drilled by a bunch of Wallys? LoL! Greg
  2. Anyone fancy a punt on this 10" dobsonian. Needs TLC but cheap. No connection with seller of course. https://www.gumtree.com/p/telescopes/10-dobsonian-reflector-telescope-custom-built/1308162351
  3. Hi stargazers! I don't have a DSLR, but I have expensive mirrorless camera so I need wide lens on top of the eyepiece. I need at least 65 degree fov. I did research but I still didn't find anything good. Luminous Thank you in advance!
  4. Hi all, as mentioned in a previous post I have a national Geographic 76/350 compact telescope, it maybe not the best telescope in the world..but it’s at least something I can use while I save up for a good one. However I Seem to have a problem with the secondary mirror it gets easily out of place. For example when Its center I move the telescope to look at an object but it doesn’t stay in the center and it rotates to to which side I have moved the scope. I have a feeling that this is because it’s not colimated properly ( or at all) when I got this scope as a gift the box didn’t really come with clear instructions so have been putting it off but wanted to use it now. I’m hoping it’s an easy fix. If it does need collimating I’m hoping some of you will give me some tips on how to do it. I have taken some pictures to make it clearer on what I’m trying to say. I’ve taken two photos with the scope pointing up and the seconds mirror is center (ish) and one when it’s pointed st something and the secondary mirror has moved. I’m sorry if this sounds a stupid question but need to double check. Also apologies if the pictures aren’t clear.
  5. I’ve noticed on some Dobsonian Telescopes there is a FAN mounted to the bottom of the mirror. I don’t understand why you would put one there. On mine I made a 12V Warmer that runs off the power supply for the frost problem I was having in the winter air at night with the humidity. A fan would be used to Cool the glass, but I’ve not experienced a scenario where I’d need one. But al would also say that after all these years of looking up. I caught my first Daylight moon today.
  6. I currently have a Celestron Powerseeker 127 and am obviously finding it hard to see DSO's (Andromeda and M13 looks like a grey smudge). I was looking at buying a 10inch Dob, but was wondering if Andromeda and M13 would still look like a grey smudge, but just a bigger one. Also, I was worried about nudging a dob at 400x magnification, would the object just shoot out of view? Any advise on this would be great.
  7. Skywatcher 200p dobsonian telescope along with base. The telescope comes with 25mm plossl only (not in picture) It has been kept in good condition though the primary has caught some dust over time that could do with a bit of cleaning. The tube has some marks when it was loaded onto Heq5 for Astro imaging. If you want I can sell the dovetail and rings for that purpose along with the telescope at additional £49 if you wish to mount it on EQ platform. Also included is a degree circle manually erected (some numbers need re-writting over) at the bottom to help you find objects based on alt/az using your phone which makes it a manual goto. Price: £1̶6̶9̶ now £99 Reason for price drop: I have removed the finderscope and fitted it into my C8 as I have an adapter for guide camera so this is now listed without a finderscope at below bargain price for a quick sale! Collection from Manchester only.
  8. Hello stargazers, I've been stalking this forum for a good couple months now in my search for a telescope. My main focus will be the visual observing of planets and DSOs. I like photography might plan that later if possible (i'd like it to be). The skies where i live is somewhat polluted but not so much. I can easily spot most constellations with the naked eye if my drive my car on a hill outside the city. I was thinking about one of the models below. I'd like the get the best bang for the buck and minimize the risk of being disappointed and then wanting a more expensive tube later on. I'd like to learn the sky by heart thus steering clear of a GOTO for now. I'm not going to buy anything right now because I'm putting some hard earned cash in a pair of binos first. My options: (but I'm open to any and all suggestions!) Skywatcher Skymax 150 PRO €569.37 + Skywatcher EQ5 Deluxe €269.02 Objective Lens Diameter: 150mm Telescope Focal Length: 1800mm (f/12) EQ5 because it's a good stable mount that I basically can keep using if I ever upgrade the OTA Skywatcher Skyliner 250PX Dobsonian €463.49 Diameter of Primary Mirror: 254mm Telescope Focal Length: 1200mm (f/4.7) Celestron Omni XLT 127 €647.16 Objective Lens Diameter: 127mm Telescope Focal Length: 1250 mm (f/10) Skywatcher Skymax 127 OTA €274.42 + Skywatcher EQ5 Deluxe €269.02 (Or EQ3-2 for €442.96) Diameter of Primary Mirror: 127mm Telescope Focal Length: 1500mm (f/11.81) I might also get the less stable EQ3-2 for a 100 euros less. But again, the EQ5 is a good investment I believe Skywatcher Explorer 200P EQ5 €504.55 Diameter of Primary Mirror: 200mm Telescope Focal Length: 1000mm (f/5) I got all the prices from FLO. Some questions that I still have: (thanks for staying with me so long) - Would you be able to see some DSOs with anything up from f/10? - Is a dew shield necessary if i live in the Netherlands? - I know its been asked a lot but what eyepieces would you recommend? FLO recommend BSTs. Then again which lengths? I thinks thats all for now:) Thanks so much for checking this post out. Clear skies to you all!
  9. Its a long time since Sept 2008 when I sold my SE8 and all my kit. Just about to join the Light Bucket Dob brigade. Like the Orion 10 xi 10" and f 4.7..... and keep looking at Skywatcher...10-12". 10 might be good enough for me at 69 years old. (Still feel 25). I know I will hate the ep's that come with the Orion... I do fancy it... so what EP,s will go well with an f4.7 10"Dob. I had a Mk 2 Hyperion zoom but one post and a site which I cant remember (69 so forgive me) and they recommend it for more than f5. EP,s on a pension plan replies please. Thanks in advance
  10. Hi All, My Skyliner 200p OTA will fit in my car, but the Skywatcher mount that came with it will not. Are there any foldaway Dob mounts out there? Or any diy projects? Ta, Neil.
  11. Was just thinking.. If the total diffraction depends upon the thickness of the spiders' vanes, then wouldn't it be a good idea to sharpen the spider? Bit like a double edged knife, all four or three vanes... any ideas or experiences with this?
  12. Is it possible to mount an 8inch (200P) flextube scope to an HEQ5 mount, or is the flextubing going to get in the way?
  13. I've been asked on a number of occasions, how I managed to do planet astrophotography with a manual Dobsonian telescope. So I have created a tutorial, to help fellow owners create a worthy image. I hope it makes sense and you find it useful. Dob AP Tutorial.pdf
  14. I need a a really accurate,easy to use collimating tool. I have a used laser collimator but it does not fit snugly in the focuser so I feel it’s not very accurate. The idea of collimating causes me some anxiety anyway, so accurate and easy is the key! Can any of you offer any suggestions to help me out?
  15. Hi, After a lot of research I purchased my first advanced telescope a 12inch Orion SkyQuest Open Truss Dobsonian. Being into astronomy for years now this is the first gaint telescope I am using. Today was first light and I was rather confused as to what I was seeing. Comparing my tiny 4inch view of Jupiter with the view from this 12inch; it was nearly similar! So the question is which eyepieces should I use to get better detail? I have a 28mm, 32mm, 15mm, 6mm etc. and a Baader zooming hyperion. I viewed Jupiter from both the telescopes using a 32mm wide angle eyepiece. This is probably a really rookie question so go soft on me Which eyepieces and of which make should I attach to fully utilize the capability of this telescope? I tried the Baader and the 15mm and the 32mm for seeing Jupiter tonight. Any help would be highly HIGHLY appreciated. Clear Skies, Div
  16. Hi.I was thinking of buying one of the above.but what my issue is are they fitted into the 2"part of the focuser using the screws .I get that you rotate the part to lock the eyepieces. so how do you know it's central.???.
  17. Hey all, just thought i would show my self after weeks of lurking and reading lots of usefull info, i'm very new to the hobby and having got a 76/700 for free i really enjoyed the moon through the scope and went on to buy a Sky-watcher flextube 250px a few weeks after , i'm really looking forward to many years of space watching with this new scope and i'll continue to lurk on the forum now and then =) Limey21
  18. Hi guys I currently own a 12" skywatcher collapsible dobsonian but need to upgrade now to have goto functionality. It is way to expensive for me though and I can only spend up to 1200 AUD ~ 900 USD. Could anyone please help me think of some alternatives, to track and remotely control my dob? Thanks guys!!
  19. First light: 20” f3.6 Lukehurst Dobsonian Date: 2 April 2017. Time: 2130-0200. Focal length: Native 1814mm, +Paracorr2 (x1.15) 2120mm, +MarkV (x1.7 Newtonian GPC) 3083mm Finally, got a real first light last night. The conditions were not ideal with a 40% moon and some high level cloud but they were good enough to get everything setup... I had already tested the Nexus the previous day and after changing a plus(+) to a minus(–) in the Sky Safari encoder settings had got the push-to system tested out using some false alignments. First job was to set the Baader Skysurfer 5 up using Polaris. It took quite a large adjustment of the finder to get it centred, there was just enough adjustment available for success. Must be the amount of aperture that necessitated the large adjustment needed? Anyway, once that was done I connected Sky Safari to the Nexus and aligned on Polaris. I slewed over to Algieba in Leo and centred in the red-dot finder. It was in the FOV so nudged it to the centre and hit the Align in the app. Now as I move the scope, I can see Sky Safari following me around the sky – great! Nudging note: It isn’t easy! I know that I will pick this up over a few session but most times I moved it the wrong way only to go “Doh!” and move it the other way. It was much easier to get it right when nudging while watching the IPad screen than nudging while peering through the eyepiece. Collimation note: The defocus star presented a nice set of rings although brighter stars were flaring around the edges (atmospheric conditions I assume). Collimation with the Glatter laser & Tublug is simple! As the moon was still too high I moved onto some eyepiece focus checks. The point of the test was to be able to get past the focus point of the eyepiece and not worry about the power/image content. - 3x Ethos & Paracorr2 = check - MarkV bino & Pan24, Delos 17.3, Delos 10, Delite 7 = check I have about half inch in-focus remaining with the Binos in use and more than an inch of out-focus with the Ethos/Paracorr2, so I am happy with that! I found the bino was giving a darker background than the Ethos so I stuck with the Pan24 and binos and moved on to view some galaxies (x128 magnification). Sky Note: As I am short sighted and view without glasses I see the sky out of focus but I could see that the still thin clouds were thicker than before. M51 Using the Nexus push-to I nudged my way over to M51 and found it on the edge of FOV when the Nexus was showing it as centred. I could see two bright cores and some dusty circles around the main galaxy. Not bad for a milky moon lit sky and more than I expected. Sky Safari note: I had read up that Sky Safari keeps the last two alignment points from the push-to and that it’s a good idea to align to something in the area that you are observing so I centred M51 and clicking Align in the app. From that point I found several galaxies in the area and they were reasonably centred in Sky Safari at the same time. So, I am happy with that. I was able to identify several galaxies that I came upon using Sky Safari which is what I had hoped for. M101 I could see the core and one blotchy area to the side. There was a lot of swirly gas that I see with averted vision. Again, not bad for a moony sky! M97 owl neb Easy, nice clear circular patch. I didn’t bother with more mag for the “eyes” as the conditions were not worth it. NGC4631 whale Easy, nice long streak of grey dust. NGC4565 needle Bright core & long streaks to either side. Streaks were longer with averted. NGC4244 silver needle Long faint streak observed. Cocoon Galaxies Both galaxies seen. One bigger than the other. Smaller one improved with averted. M94 Nice bright core and circular surrounding dust. M63 Core with surrounding dust. Less bright that M94. NGC4449 Easy, nice squarish shaped galaxy. M106 Core with surrounding dust disk. NGC4051 Faint core. Faint dust circle. Averted needed. NGC4088 Faint galaxy, but a good size. M13 globular I viewed M13 with the Ethos10mm and was able to resolve some of the stars. It is quite low and I was not getting full aperture due to the shed walls. Comet C/2015 V2 Johnson Easily located with the help of Nexus! In the Ethos21 it was easily seen but pretty small. Comet 41P/Tuttle-Giacobini-Kresak Bigger that Johnson but more diffuse. Again, the conditions meant that I wasn’t bothering to change magnifications/eyepieces much! By now the clouds were thicker still. I could see the main stars and the next level too, but even with the moon nearly gone, the images were not improving so I decided to call it a night. Due to the position of the scope within the shed, I was unable to point at the moon & Jupiter. I have repositioned it this morning (for next time) based on my experiences. David supplied a set of wheelbarrow handles with the scope which are easy to connect and make shuffling the scope around the shed possible. Conclusions. 1. Very happy that I can reach focus will all my eyepieces & binos 2. Nexus is simple to get aligned and without it I would not have found very much to observe! Happy with that too 3. Surprised that the larger galaxies were visible (and pretty decent) under the moony sky, wasn’t expecting that but I don’t go out usually until the moon has departed Comments welcome, Alan
  20. Skywatcher 14” FlexTube Dobsonian GOTO with extras Skywatcher Skyliner 350P 14" F/4.5 FlexTube GOTO for sale. Comes with : Skywatcher PowerTank 17Ah. Heater strip on the secondary mirror. does NOT come with the Dew Controller. Telrad Finder and Telrad Riser Base. Skywatcher 9x50 Finderscope 25mmSkywatcher Super Plossl eyepiece Skywatcher 2x Barlow lens. Dual-Speed 2" Crayford Focuser with 1.25" adapter Astrozap light shroud for Skywatcher FlexTube Cheshire Collimating Eyepiece Laser Collimating Eyepiece. This a big scope with great views. Can be used as a goto or a push to scope. In excellent condition. The scope can be assembled and disassembled in about 10 minutes or so. £1000 Buyer collects. Nottingham NG7 Area. Thanks
  21. Skywatcher 14” FlexTube Dobsonian GOTO with extras Skywatcher Skyliner 350P 14" F/4.5 FlexTube GOTO for sale. Comes with : Skywatcher PowerTank 17Ah. Heater strip on the secondary mirror. does NOT come with the Dew Controller. Telrad Finder and Telrad Riser Base. Skywatcher 9x50 Finderscope 25mmSkywatcher Super Plossl eyepiece Skywatcher 2x Barlow lens. Dual-Speed 2" Crayford Focuser with 1.25" adapter Astrozap light shroud for Skywatcher FlexTube Cheshire Collimating Eyepiece Laser Collimating Eyepiece. this a big scope with great views. can be used as a goto or a push to scope. in excellent condition. The scope can be assembled and disassembled in about 10 minutes or so. £1250 Buyer collects. Nottingham Area. Thanks EDIT: Decided to put a reason why I am selling this scope. It's been a fabulous scope (some of you folks may have seen it at the last SGL star party). But fitting this and my 11" sct in the car is a massive squeeze (I did have a 9.25 at SGL and just managed it, with the tents and stuff). So I have decided regrettably to sell. More images can be arranged, and by all means come and view it (no obligation).
  22. Hello. I am in the middle of deciding what telescope should be my next. Previously i had a 2 inch (I believe) Bresser refractor telescope. I am super in to astronomy, and now I want something big and awesome. I've been looking at the skywatcher explorer 250pds (for which i would seperately buy an equatorial mount, would the eq5 do?) and the skywatcher skyliner 250(which is mounted on a dob) I'm torn between a dobsonian and an equatorial. My biggest concern about a dobsonian would be that I wouldn't be able to stand up, and would have to bring some kind of table to wherever I'm observing from. If any of you would be kind enough to help clear this up for me, I would be very thankful. Best regards
  23. Good evening dear members. Could you please help me choose a telescope: I would like to be able to see nebulae, galaxy, star clusters for example, and surely Jupiter, Saturn, To start first: I can spend 400-500£, I understand this is not much, but for now I am ready to get started. My wish is to photograph as well, but in a distant future, like 2-3 years from now, because when I look at my mother's pictures I understand -this is what I would like to do. Obviously the outcome will be different if I choose for viewing or for photography. I was advised a Dobsonian will be good for viewing DSOs, and a refractor for photography. What about reflector telescopes? I have found one Bresser reflector telescope (Bresser Messier AR-152S/760), is it any good? If I will find a decent telescope what upgrades will I need (lenses)? Your help is very much appreciated. PS: I live in Haslemere, Surrey, the sky is not as polluted as in London, where I used to live. Lovelight.
  24. Hi, I was wondering if anyone has tricks or tips on aligning 2 stars with Orion Intelliscope. I'm not doing very well so far. Thanks!
  25. hello all Just taken delivery of my Skywatcher Skyliner 200p on a dobsonian mount. Im actually in the process of assembling it now. Come with me on a journey through space and time ( well time anyway) as I hopefully take the good stuff on this forum and mod the dobs. Got as far as looking at the central bolt . Well that wont do, The bolt measures 8.8mm , the inside diameter of the plastic tube about 9mm and the hole in the board is slightly more than that so when the clearances are combined the assembly rocks like me Dad at a wedding..all over the place! So job 1 fix the bolt to the baseboard
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